package com.atguigu.gulimall.product.service.impl;

import com.atguigu.gulimall.product.entity.SkuImagesEntity;
import com.atguigu.gulimall.product.entity.SpuInfoDescEntity;
import com.atguigu.gulimall.product.entity.SpuInfoEntity;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.ItemSaleAttrsVo;
import com.atguigu.gulimall.product.vo.SkuItemVo;
import com.atguigu.gulimall.product.vo.SpuItemAttrGroupVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SkuInfoDao;
import com.atguigu.gulimall.product.entity.SkuInfoEntity;
import org.springframework.util.StringUtils;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Autowired
    private SkuImagesService skuImagesService;

    @Autowired
    private SpuInfoDescService spuInfoDescService;

    @Autowired
    private AttrGroupService attrGroupService;

    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.save(skuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<SkuInfoEntity>();
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            wrapper.and( (w) ->{
                w.eq("sku_id",key).or().like("sku_name",key);
            });
        }
        String catelogId = (String) params.get("catelogId");
        if (!StringUtils.isEmpty(catelogId) && !"0".equals(catelogId)){
            wrapper.eq("catalog_id",catelogId);
        }
        String brandId = (String) params.get("brandId");
        if (!StringUtils.isEmpty(brandId) && !"0".equals(brandId)){
            wrapper.eq("brand_id",brandId);
        }
        String min = (String) params.get("min");
        if (!StringUtils.isEmpty(min)){
            wrapper.ge("price",min);
        }
        String max = (String) params.get("max");
        if (!StringUtils.isEmpty(max)){
            try {
                BigDecimal bigDecimal = new BigDecimal(max);
                if (bigDecimal.compareTo(new BigDecimal("0"))==1) {
                    wrapper.le("price",max);
                }
            }catch (Exception e){

            }
        }
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                wrapper
        );
        return new PageUtils(page);
    }

    @Override
    public List<SkuInfoEntity> getSkusBySpuId(Long spuId) {
        LambdaQueryWrapper<SkuInfoEntity> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(SkuInfoEntity::getSpuId,spuId);
        List<SkuInfoEntity> list = this.list(queryWrapper);
        return list;
    }

    @Override
    public SkuItemVo item(Long skuId) {
        SkuItemVo itemVo = new SkuItemVo();
        //查询sku基本信息 pms_sku_info
        SkuInfoEntity info = getById(skuId);
        itemVo.setInfo(info);
        Long catalogId = info.getCatalogId();
        Long spuId = info.getSpuId();
        //sku的图片信息  pms_sku_images
        List<SkuImagesEntity> images = skuImagesService.getImagesBySkuId(skuId);
        itemVo.setImages(images);

        //获取spu的销售属性组合
        List<ItemSaleAttrsVo> saleAttrsVos = skuSaleAttrValueService.getSaleAttrsBySpuId(spuId);
        itemVo.setSaleAttr(saleAttrsVos);

        //获取spu的介绍
        SpuInfoDescEntity infoDescEntity = spuInfoDescService.getBySpuId(spuId);
        itemVo.setDesp(infoDescEntity);
        //获取spu的规格参数信息
        List<SpuItemAttrGroupVo> attrGroupVos = attrGroupService.getAttrGroupWithAttrsBySpuId(spuId,catalogId);
        itemVo.setGroupAttrs(attrGroupVos);

        //进行数据的返回
        return itemVo;
    }

}